Question

A circular well of diameter 6 m has been dug has been to a depth of 14 m , water level has founded at a depth of 5.6 m. How much water is there in the well and how much earth has been taken out of the well​

Answer 1

Step-by-step explanation:

Let height of embankment be

′

h

′

meter. Then

Volume of embankment = Volume of earth taken out from the well

⇒π(R

2

−r

2

)h=πr

2

H

⇒((7+7)

2

−7

2

)×h=7

2

×12

⇒(196−49)×h=49×12⇒h=

147

49×12

=4m

∴ Height of embankment =4m.